! Started logfile: J0238+1636_X_2007_12_05_pus_uvs.log on Wed Sep 8 21:15:26 2010 obs J0238+1636_X_2007_12_05_pus_uva.fits ! Reading UV FITS file: J0238+1636_X_2007_12_05_pus_uva.fits ! AN table 1: 104 integrations on 136 of 136 possible baselines. ! AN table 2: 137 integrations on 136 of 136 possible baselines. ! AN table 3: 128 integrations on 136 of 136 possible baselines. ! Apparent sampling: 0.0763989 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: J0238+1636 ! ! There are 4 IFs, and a total of 4 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.40997e+09 8e+06 1 8e+06 ! 02 2 8.47997e+09 8e+06 1 8e+06 ! 03 3 8.79497e+09 8e+06 1 8e+06 ! 04 4 8.89997e+09 8e+06 1 8e+06 ! ! Polarization(s): RR ! ! Read 1501 lines of history. ! ! Reading 15336 visibilities. select I ! Polarization I is unavailable. ! Selecting polarization: RR, channels: 1..4 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 print "field_size =",field_size ! field_size = 512 print "field_cell =",field_cell ! field_cell = 0.2 print "taper_size =",taper_size ! taper_size = 70 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff mapsize field_size, field_cell ! Map grid = 512x512 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 1458 telescope corrections were flagged in sub-array 1. ! A total of 1735 telescope corrections were flagged in sub-array 2. ! A total of 1606 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1458 telescope corrections were flagged in sub-array 1. ! A total of 1735 telescope corrections were flagged in sub-array 2. ! A total of 1606 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1458 telescope corrections were flagged in sub-array 1. ! A total of 1735 telescope corrections were flagged in sub-array 2. ! A total of 1606 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1504 telescope corrections were flagged in sub-array 1. ! A total of 1802 telescope corrections were flagged in sub-array 2. ! A total of 1651 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.505470Jy sigma=0.003594 ! Fit after self-cal, rms=0.293879Jy sigma=0.002029 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 9.37% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.4757 mas, bmaj=0.8866 mas, bpa=-1.16 degrees ! Estimated noise=1427.25 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.671681 Jy ! Component: 100 - total flux cleaned = 0.843399 Jy ! Total flux subtracted in 100 components = 0.843399 Jy ! Clean residual min=-0.025920 max=0.075351 Jy/beam ! Clean residual mean=0.000507 rms=0.007572 Jy/beam ! Combined flux in latest and established models = 0.843399 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.843399 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.293435Jy sigma=0.001820 ! Fit after self-cal, rms=0.293110Jy sigma=0.001819 ! Inverting map ! Your choice of large map pixels excluded 9.37% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0841584 Jy ! Component: 100 - total flux cleaned = 0.130606 Jy ! Total flux subtracted in 100 components = 0.130606 Jy ! Clean residual min=-0.019913 max=0.033393 Jy/beam ! Clean residual mean=0.000160 rms=0.005172 Jy/beam ! Combined flux in latest and established models = 0.974005 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 7 components and 0.974005 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.259550Jy sigma=0.001454 ! Fit after self-cal, rms=0.259148Jy sigma=0.001453 ! Inverting map ! Your choice of large map pixels excluded 9.37% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Added new window around map position (-0.6, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0321483 Jy ! Component: 100 - total flux cleaned = 0.0440519 Jy ! Total flux subtracted in 100 components = 0.0440519 Jy ! Clean residual min=-0.018993 max=0.028526 Jy/beam ! Clean residual mean=0.000042 rms=0.004595 Jy/beam ! Combined flux in latest and established models = 1.01806 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 1.01806 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.254631Jy sigma=0.001396 ! Fit after self-cal, rms=0.254241Jy sigma=0.001392 ! Inverting map ! Your choice of large map pixels excluded 9.37% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Added new window around map position (-1.8, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0263089 Jy ! Component: 100 - total flux cleaned = 0.0315621 Jy ! Total flux subtracted in 100 components = 0.0315621 Jy ! Clean residual min=-0.017678 max=0.021750 Jy/beam ! Clean residual mean=-0.000043 rms=0.004057 Jy/beam ! Combined flux in latest and established models = 1.04962 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 21 components and 1.04962 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.251697Jy sigma=0.001362 ! Fit after self-cal, rms=0.251449Jy sigma=0.001358 ! Inverting map ! Your choice of large map pixels excluded 9.37% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec print "************** FINISHED UNIFORM WEIGHTING CLEAN **************" ! ************** FINISHED UNIFORM WEIGHTING CLEAN ************** ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 9.37% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.5772 mas, bmaj=1.083 mas, bpa=-3.257 degrees ! Estimated noise=824.44 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00861517 Jy ! Component: 100 - total flux cleaned = 0.00994431 Jy ! Component: 150 - total flux cleaned = 0.0107277 Jy ! Component: 200 - total flux cleaned = 0.0111195 Jy ! Total flux subtracted in 200 components = 0.0111195 Jy ! Clean residual min=-0.016939 max=0.020934 Jy/beam ! Clean residual mean=-0.000052 rms=0.004070 Jy/beam ! Combined flux in latest and established models = 1.06074 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 26 components and 1.06074 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248950Jy sigma=0.001342 ! Fit after self-cal, rms=0.248860Jy sigma=0.001341 ! Inverting map ! Your choice of large map pixels excluded 9.37% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec print "************** FINISHED NATURAL WEIGHTING CLEAN **************" ! ************** FINISHED NATURAL WEIGHTING CLEAN ************** ! gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 0.97 HH 0.90 HN 1.13 ! KB 0.96 KP 1.00 LA 0.98 MK 1.00* ! NL 1.06 NY 0.94 ON 1.02 OV 0.95 ! PT 0.98 SV 1.01 TS 0.98 WZ 1.05 ! ZC 0.96 ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 FD 0.92 HH 0.88 HN 1.08 ! KB 0.97 KP 0.97 LA 0.93 MK 1.00* ! NL 1.01 NY 0.94 ON 0.96 OV 0.94 ! PT 0.94 SV 1.08 TS 1.00 WZ 1.01 ! ZC 1.03 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.98 HH 0.84 HN 1.09 ! KB 1.00* KP 1.00* LA 1.00 MK 1.00* ! NL 1.03 NY 0.96 ON 1.00 OV 1.00* ! PT 1.00 SV 1.03 TS 1.00* WZ 1.04 ! ZC 1.05 ! ! ! Correcting IF 2. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HH 0.90 HN 1.14 ! KB 0.99 KP 0.95 LA 0.94 MK 1.00* ! NL 1.05 NY 0.98 ON 1.02 OV 0.93 ! PT 1.03 SV 0.95 TS 1.00 WZ 1.04 ! ZC 1.01 ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 0.93 HH 0.86 HN 1.03 ! KB 0.96 KP 0.94 LA 0.94 MK 1.00* ! NL 0.97 NY 1.04 ON 0.96 OV 0.92 ! PT 0.97 SV 1.03 TS 1.03 WZ 1.05 ! ZC 1.08 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.98 HH 0.84 HN 1.12 ! KB 1.00* KP 1.00* LA 0.98 MK 1.00* ! NL 1.01 NY 1.00 ON 0.99 OV 1.00* ! PT 1.07 SV 0.96 TS 1.00* WZ 1.05 ! ZC 1.08 ! ! ! Correcting IF 3. ! A total of 99 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HH 0.93 HN 1.16 ! KB 0.98 KP 0.99 LA 0.99 MK 1.00* ! NL 1.05 NY 1.01 ON 0.96 OV 0.99 ! PT 1.04 SV 0.96 TS 1.02 WZ 1.01 ! ZC 0.97 ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 FD 0.95 HH 0.88 HN 1.10 ! KB 0.97 KP 0.98 LA 0.95 MK 1.00* ! NL 0.99 NY 1.07 ON 0.92 OV 0.96 ! PT 1.00 SV 1.03 TS 1.01 WZ 1.00 ! ZC 1.04 ! ! A total of 36 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.97 HH 0.85 HN 1.11 ! KB 1.00* KP 1.00* LA 1.00 MK 1.00* ! NL 1.03 NY 1.02 ON 0.93 OV 1.00* ! PT 1.08 SV 0.94 TS 1.00* WZ 1.03 ! ZC 1.07 ! ! ! Correcting IF 4. ! A total of 75 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HH 0.87 HN 1.19 ! KB 1.02 KP 0.98 LA 0.97 MK 1.00* ! NL 1.06 NY 0.96 ON 1.01 OV 0.97 ! PT 1.05 SV 0.91 TS 1.04 WZ 0.99 ! ZC 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 0.94 HH 0.84 HN 1.09 ! KB 1.00 KP 0.99 LA 0.95 MK 1.00* ! NL 0.97 NY 1.10 ON 1.01 OV 0.96 ! PT 1.00 SV 1.10 TS 1.00 WZ 0.96 ! ZC 1.00* ! ! A total of 9 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.00* FD 0.98 HH 0.85 HN 1.12 ! KB 1.00* KP 1.00* LA 1.02 MK 1.00* ! NL 1.04 NY 0.98 ON 0.98 OV 1.00* ! PT 1.06 SV 0.90 TS 1.00* WZ 1.01 ! ZC 1.00* ! ! ! Fit before self-cal, rms=0.248860Jy sigma=0.001341 ! Fit after self-cal, rms=0.224712Jy sigma=0.001230 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.5715 mas, bmaj=1.052 mas, bpa=-4.213 degrees ! Estimated noise=826.227 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00135052 Jy ! Component: 100 - total flux cleaned = 0.00109808 Jy ! Component: 150 - total flux cleaned = 0.000498418 Jy ! Component: 200 - total flux cleaned = 0.0001607 Jy ! Total flux subtracted in 200 components = 0.0001607 Jy ! Clean residual min=-0.006902 max=0.007749 Jy/beam ! Clean residual mean=0.000146 rms=0.001877 Jy/beam ! Combined flux in latest and established models = 1.0609 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 32 components and 1.0609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223957Jy sigma=0.001226 ! Fit after self-cal, rms=0.223679Jy sigma=0.001225 ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.223679Jy sigma=0.001225 ! Fit after self-cal, rms=0.223320Jy sigma=0.001215 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.5717 mas, bmaj=1.051 mas, bpa=-4.133 degrees ! Estimated noise=827.537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00147922 Jy ! Component: 100 - total flux cleaned = -0.00166276 Jy ! Component: 150 - total flux cleaned = -0.00167592 Jy ! Component: 200 - total flux cleaned = -0.00168502 Jy ! Total flux subtracted in 200 components = -0.00168502 Jy ! Clean residual min=-0.006292 max=0.005961 Jy/beam ! Clean residual mean=0.000010 rms=0.001449 Jy/beam ! Combined flux in latest and established models = 1.05921 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 36 components and 1.05921 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222733Jy sigma=0.001212 ! Fit after self-cal, rms=0.222694Jy sigma=0.001212 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000426441 Jy ! Component: 100 - total flux cleaned = -0.000577166 Jy ! Component: 150 - total flux cleaned = -0.000835544 Jy ! Component: 200 - total flux cleaned = -0.000838774 Jy ! Total flux subtracted in 200 components = -0.000838774 Jy ! Clean residual min=-0.006183 max=0.005715 Jy/beam ! Clean residual mean=0.000025 rms=0.001404 Jy/beam ! Combined flux in latest and established models = 1.05838 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 37 components and 1.05838 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222413Jy sigma=0.001210 ! Fit after self-cal, rms=0.222418Jy sigma=0.001210 ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.222418Jy sigma=0.001210 ! Fit after self-cal, rms=0.221993Jy sigma=0.001207 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.5728 mas, bmaj=1.049 mas, bpa=-4.076 degrees ! Estimated noise=828.537 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00229373 Jy ! Component: 100 - total flux cleaned = -0.00228517 Jy ! Component: 150 - total flux cleaned = -0.00227711 Jy ! Component: 200 - total flux cleaned = -0.00228169 Jy ! Total flux subtracted in 200 components = -0.00228169 Jy ! Clean residual min=-0.005817 max=0.004692 Jy/beam ! Clean residual mean=-0.000120 rms=0.001190 Jy/beam ! Combined flux in latest and established models = 1.05609 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 39 components and 1.05609 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221698Jy sigma=0.001205 ! Fit after self-cal, rms=0.221643Jy sigma=0.001205 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000626947 Jy ! Component: 100 - total flux cleaned = -0.000617972 Jy ! Component: 150 - total flux cleaned = -0.000613905 Jy ! Component: 200 - total flux cleaned = -0.000706972 Jy ! Total flux subtracted in 200 components = -0.000706972 Jy ! Clean residual min=-0.005636 max=0.004739 Jy/beam ! Clean residual mean=-0.000108 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 1.05539 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 39 components and 1.05539 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221484Jy sigma=0.001204 ! Fit after self-cal, rms=0.221497Jy sigma=0.001204 ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221497Jy sigma=0.001204 ! Fit after self-cal, rms=0.221671Jy sigma=0.001204 clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=3.022 mas, bmaj=3.533 mas, bpa=34.89 degrees ! Estimated noise=1067.06 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00179832 Jy ! Component: 100 - total flux cleaned = -0.00185238 Jy ! Component: 150 - total flux cleaned = -0.00192228 Jy ! Component: 200 - total flux cleaned = -0.00198777 Jy ! Total flux subtracted in 200 components = -0.00198777 Jy ! Clean residual min=-0.004034 max=0.003702 Jy/beam ! Clean residual mean=-0.000141 rms=0.001168 Jy/beam ! Combined flux in latest and established models = 1.0534 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 46 components and 1.0534 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221638Jy sigma=0.001204 ! Fit after self-cal, rms=0.221617Jy sigma=0.001204 flux_cutoff = imstat(rms) * dynam ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000527649 Jy ! Component: 100 - total flux cleaned = -0.000525087 Jy ! Component: 150 - total flux cleaned = -0.000563332 Jy ! Component: 200 - total flux cleaned = -0.000628552 Jy ! Total flux subtracted in 200 components = -0.000628552 Jy ! Clean residual min=-0.004006 max=0.003690 Jy/beam ! Clean residual mean=-0.000115 rms=0.001164 Jy/beam ! Combined flux in latest and established models = 1.05277 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 48 components and 1.05277 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221602Jy sigma=0.001204 ! Fit after self-cal, rms=0.221605Jy sigma=0.001204 ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "************** FINISHED AMPLITUDE SELF-CAL **************" ! ************** FINISHED AMPLITUDE SELF-CAL ************** restore ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.5734 mas, bmaj=1.048 mas, bpa=-4.088 degrees ! Estimated noise=829.376 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5734 x 1.048 at -4.088 degrees (North through East) ! Clean map min=-0.0053315 max=0.87203 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221605Jy sigma=0.001204 ! Fit after self-cal, rms=0.209307Jy sigma=0.001064 ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.5733 mas, bmaj=1.048 mas, bpa=-4.044 degrees ! Estimated noise=829.436 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.19878e-05 Jy ! Component: 100 - total flux cleaned = -3.76469e-05 Jy ! Component: 150 - total flux cleaned = 6.0542e-05 Jy ! Component: 200 - total flux cleaned = 6.06705e-05 Jy ! Total flux subtracted in 200 components = 6.06705e-05 Jy ! Clean residual min=-0.004990 max=0.004440 Jy/beam ! Clean residual mean=-0.000043 rms=0.001044 Jy/beam ! Combined flux in latest and established models = 1.05283 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 48 components and 1.05283 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209156Jy sigma=0.001063 ! Fit after self-cal, rms=0.209166Jy sigma=0.001063 ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.69676e-06 Jy ! Component: 100 - total flux cleaned = 8.16556e-05 Jy ! Component: 150 - total flux cleaned = 5.97735e-06 Jy ! Component: 200 - total flux cleaned = 5.35846e-06 Jy ! Total flux subtracted in 200 components = 5.35846e-06 Jy ! Clean residual min=-0.004849 max=0.004393 Jy/beam ! Clean residual mean=-0.000043 rms=0.001033 Jy/beam ! Combined flux in latest and established models = 1.05284 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 52 components and 1.05284 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209085Jy sigma=0.001063 ! Fit after self-cal, rms=0.209094Jy sigma=0.001063 ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Performing amp+phase self-cal ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209094Jy sigma=0.001063 ! Fit after self-cal, rms=0.209133Jy sigma=0.001063 print "************** CLEARING MODEL AND STARTING OVER **********" ! ************** CLEARING MODEL AND STARTING OVER ********** clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.471 mas, bmaj=0.8356 mas, bpa=-2.796 degrees ! Estimated noise=1470.85 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.665168 Jy ! Component: 100 - total flux cleaned = 0.834244 Jy ! Component: 150 - total flux cleaned = 0.919899 Jy ! Component: 200 - total flux cleaned = 0.967804 Jy ! Total flux subtracted in 200 components = 0.967804 Jy ! Clean residual min=-0.010695 max=0.026243 Jy/beam ! Clean residual mean=0.000232 rms=0.002990 Jy/beam ! Combined flux in latest and established models = 0.967804 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 13 model components to the UV plane model. ! The established model now contains 13 components and 0.967804 Jy ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.5736 mas, bmaj=1.046 mas, bpa=-4.069 degrees ! Estimated noise=829.967 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0433273 Jy ! Component: 100 - total flux cleaned = 0.0637524 Jy ! Component: 150 - total flux cleaned = 0.0742266 Jy ! Component: 200 - total flux cleaned = 0.0796802 Jy ! Total flux subtracted in 200 components = 0.0796802 Jy ! Clean residual min=-0.005191 max=0.005986 Jy/beam ! Clean residual mean=0.000066 rms=0.001250 Jy/beam ! Combined flux in latest and established models = 1.04748 Jy ! Adding 18 model components to the UV plane model. ! The established model now contains 22 components and 1.04748 Jy ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Added new window around map position (0.8, 0). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00301812 Jy ! Component: 100 - total flux cleaned = 0.00355947 Jy ! Component: 150 - total flux cleaned = 0.00386513 Jy ! Component: 200 - total flux cleaned = 0.00413894 Jy ! Total flux subtracted in 200 components = 0.00413894 Jy ! Clean residual min=-0.004763 max=0.004353 Jy/beam ! Clean residual mean=-0.000007 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 1.05162 Jy ! Adding 15 model components to the UV plane model. ! The established model now contains 35 components and 1.05162 Jy ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=3.02 mas, bmaj=3.534 mas, bpa=34.75 degrees ! Estimated noise=1067.45 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00144822 Jy ! Component: 100 - total flux cleaned = 0.00134647 Jy ! Component: 150 - total flux cleaned = 0.00134414 Jy ! Component: 200 - total flux cleaned = 0.00134523 Jy ! Total flux subtracted in 200 components = 0.00134523 Jy ! Clean residual min=-0.003369 max=0.003364 Jy/beam ! Clean residual mean=-0.000068 rms=0.001056 Jy/beam ! Combined flux in latest and established models = 1.05297 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.43043e-05 Jy ! Component: 100 - total flux cleaned = 7.51221e-05 Jy ! Component: 150 - total flux cleaned = 0.000137146 Jy ! Component: 200 - total flux cleaned = 0.000164997 Jy ! Total flux subtracted in 200 components = 0.000164997 Jy ! Clean residual min=-0.003306 max=0.003273 Jy/beam ! Clean residual mean=-0.000074 rms=0.001046 Jy/beam ! Combined flux in latest and established models = 1.05313 Jy ! Adding 11 model components to the UV plane model. ! The established model now contains 45 components and 1.05313 Jy ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! Estimated beam: bmin=0.5736 mas, bmaj=1.046 mas, bpa=-4.069 degrees ! Estimated noise=829.967 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000617067 Jy ! Component: 100 - total flux cleaned = -0.00048901 Jy ! Component: 150 - total flux cleaned = -0.000275989 Jy ! Component: 200 - total flux cleaned = -0.000277885 Jy ! Total flux subtracted in 200 components = -0.000277885 Jy ! Clean residual min=-0.004570 max=0.004116 Jy/beam ! Clean residual mean=-0.000028 rms=0.001042 Jy/beam ! Combined flux in latest and established models = 1.05286 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 54 components and 1.05286 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.209324Jy sigma=0.001064 ! Fit after self-cal, rms=0.209173Jy sigma=0.001063 wmodel J0238+1636_X_2007_12_05_pus_map.mod ! Writing 54 model components to file: J0238+1636_X_2007_12_05_pus_map.mod wobs J0238+1636_X_2007_12_05_pus_uvs.fits ! Writing UV FITS file: J0238+1636_X_2007_12_05_pus_uvs.fits wwins J0238+1636_X_2007_12_05_pus_map.win ! wwins: Wrote 4 windows to J0238+1636_X_2007_12_05_pus_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! clean: niter=2048 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000633657 Jy ! Component: 100 - total flux cleaned = -0.000426728 Jy ! Component: 150 - total flux cleaned = -0.000357688 Jy ! Component: 200 - total flux cleaned = -0.000357952 Jy ! Component: 250 - total flux cleaned = -0.000544447 Jy ! Component: 300 - total flux cleaned = -0.000665537 Jy ! Component: 350 - total flux cleaned = -0.000843699 Jy ! Component: 400 - total flux cleaned = -0.000960398 Jy ! Component: 450 - total flux cleaned = -0.00113314 Jy ! Component: 500 - total flux cleaned = -0.00118972 Jy ! Component: 550 - total flux cleaned = -0.00119033 Jy ! Component: 600 - total flux cleaned = -0.00140888 Jy ! Component: 650 - total flux cleaned = -0.00146189 Jy ! Component: 700 - total flux cleaned = -0.00146144 Jy ! Component: 750 - total flux cleaned = -0.00146164 Jy ! Component: 800 - total flux cleaned = -0.00151405 Jy ! Component: 850 - total flux cleaned = -0.00161606 Jy ! Component: 900 - total flux cleaned = -0.00161583 Jy ! Component: 950 - total flux cleaned = -0.00166588 Jy ! Component: 1000 - total flux cleaned = -0.00161705 Jy ! Component: 1050 - total flux cleaned = -0.00176311 Jy ! Component: 1100 - total flux cleaned = -0.00171492 Jy ! Component: 1150 - total flux cleaned = -0.00176314 Jy ! Component: 1200 - total flux cleaned = -0.00176322 Jy ! Component: 1250 - total flux cleaned = -0.00176336 Jy ! Component: 1300 - total flux cleaned = -0.00176356 Jy ! Component: 1350 - total flux cleaned = -0.00176311 Jy ! Component: 1400 - total flux cleaned = -0.00176312 Jy ! Component: 1450 - total flux cleaned = -0.0017183 Jy ! Component: 1500 - total flux cleaned = -0.00180732 Jy ! Component: 1550 - total flux cleaned = -0.00180725 Jy ! Component: 1600 - total flux cleaned = -0.00185118 Jy ! Component: 1650 - total flux cleaned = -0.00189425 Jy ! Component: 1700 - total flux cleaned = -0.0019369 Jy ! Component: 1750 - total flux cleaned = -0.00193667 Jy ! Component: 1800 - total flux cleaned = -0.00189426 Jy ! Component: 1850 - total flux cleaned = -0.00189432 Jy ! Component: 1900 - total flux cleaned = -0.00193556 Jy ! Component: 1950 - total flux cleaned = -0.00189431 Jy ! Component: 2000 - total flux cleaned = -0.00181272 Jy ! Total flux subtracted in 2048 components = -0.00185316 Jy ! Clean residual min=-0.002687 max=0.002141 Jy/beam ! Clean residual mean=0.000009 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 1.051 Jy keep ! Adding 147 model components to the UV plane model. ! The established model now contains 201 components and 1.051 Jy wmap "J0238+1636_X_2007_12_05_pus\_map.fits" ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5736 x 1.046 at -4.069 degrees (North through East) ! Clean map min=-0.0033179 max=0.8671 Jy/beam ! Writing clean map to FITS file: J0238+1636_X_2007_12_05_pus_map.fits float peak_flux peak_flux = peak(flux,max) print "The peak flux is",peak_flux ! The peak flux is 0.8671 invert ! Inverting map ! Your choice of large map pixels excluded 8.81% of the data. ! The x-axis pixel size should ideally be below 0.1762 milli-arcsec ! The y-axis pixel size should ideally be below 0.1723 milli-arcsec float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000701122 device "J0238+1636_X_2007_12_05_pus\_map.eps/VPS" ! Attempting to open device: 'J0238+1636_X_2007_12_05_pus_map.eps/VPS' loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.242575 0.242575 0.485149 0.970299 1.9406 3.88119 7.76239 15.5248 31.0496 62.0991 print "clev=",int(3*image_rms*10000)/10000 ! clev= 0.0021 print "peak=",int(1000*peak_flux)/1000 ! peak= 0.867 mapcolor none ! Mapplot colormap: none, contrast: 1 brightness: 0.5. mapplot cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.5736 x 1.046 at -4.069 degrees (North through East) ! Clean map min=-0.0033179 max=0.8671 Jy/beam mapcolor color, 0.9 ! Mapplot colormap: rainbow, contrast: 0.9 brightness: 0.5. device "J0238+1636_X_2007_12_05_pus\_map.gif/vgif" ! Attempting to open device: 'J0238+1636_X_2007_12_05_pus_map.gif/vgif' mapplot cln quit ! Quitting program ! Log file J0238+1636_X_2007_12_05_pus_uvs.log closed on Wed Sep 8 21:15:33 2010